2. Flower Urchin

This urchin is very beautiful and very deadly because it contains toxins that can cause anaphylactic shocks, convulsion and maybe lead to death. You can get poison if you step on it when you are in the sea or in the ocean that is why you have to be very careful and watched your steps.Many people who step on flower urchins die not because of the toxins itself but because they got disoriented by pain and drown.